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No you don't! That's what is great about this watch is that you can leave your phone at home if you want and doesn't use your phone data for GPS.
Sorry, there was a problem. Please try again later.Hi Catherine, You do not need to carry your phone with you. The watch will record data entirely on its own. The phone connection is used to send the record of your completed activity to your online dashboard. Patrick @ TomTom
Sorry, there was a problem. Please try again later.No, it will work without the phone. It will automatically sync as soon as you get back to your phone.
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